9.8Crítica KEV

CVE-2026-33824Windows Internet Key Exchange (IKE) Service Extensions Remote Code Execution Vulnerability

Microsoft Windows 10 Version 1607; Microsoft Windows 10 Version 1809; Microsoft Windows 10 Version 21H2; Microsoft Windows 10 Version 22H2 Publicada: (hace 7 meses)

Explotación conocida — Microsoft Internet Key Exchange (IKE) Service Extensions Double Free Vulnerability

CISA confirmó el 18.08.2026 que esta vulnerabilidad se usa en ataques reales. Plazo para las agencias federales de EE. UU.: 21.08.2026.

Acción requerida: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2026-33824 ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2026-33824

Descripción

Double free in Windows IKE Extension allows an unauthorized attacker to execute code over a network.

Debilidad (CWE): CWE-415

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

FabricanteProductoVersiones
microsoft windows 10 1607 10.0.14393.0 – < 10.0.14393.9060
microsoft windows 10 1809 10.0.17763.0 – < 10.0.17763.8644
microsoft windows 10 21H2 10.0.19044.0 – < 10.0.19044.7184
microsoft windows 10 22H2 10.0.19045.0 – < 10.0.19045.7184
Microsoft Windows 10 Version 1607 10.0.14393.0 – < 10.0.14393.9060
Microsoft Windows 10 Version 1809 10.0.17763.0 – < 10.0.17763.8644
Microsoft Windows 10 Version 21H2 10.0.19044.0 – < 10.0.19044.7184
Microsoft Windows 10 Version 22H2 10.0.19045.0 – < 10.0.19045.7184
microsoft windows 11 23H2 10.0.22631.0 – < 10.0.22631.6936
microsoft windows 11 24H2 10.0.26100.0 – < 10.0.26100.8246
microsoft windows 11 25H2 10.0.26200.0 – < 10.0.26200.8246
microsoft windows 11 26H1 10.0.28000.0 – < 10.0.28000.1836
Microsoft Windows 11 version 23H2 10.0.22631.0 – < 10.0.22631.6936
Microsoft Windows 11 Version 24H2 10.0.26100.0 – < 10.0.26100.8246
Microsoft Windows 11 Version 25H2 10.0.26200.0 – < 10.0.26200.8246
Microsoft Windows 11 version 26H1 10.0.28000.0 – < 10.0.28000.1836
Microsoft Windows Server 2016 10.0.14393.0 – < 10.0.14393.9060
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 – < 10.0.14393.9060
Microsoft Windows Server 2019 10.0.17763.0 – < 10.0.17763.8644
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 – < 10.0.17763.8644
Microsoft Windows Server 2022 10.0.20348.0 – < 10.0.20348.5020
microsoft windows server 2022 23h2 < 10.0.25398.2274
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 – < 10.0.25398.2274
Microsoft Windows Server 2025 10.0.26100.0 – < 10.0.26100.32690
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 – < 10.0.26100.32690
microsoft windows server 23h2 10.0.25398.0 – < 10.0.25398.2274

Referencias y parches

Coincidencias CPE (NVD) (23)

  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:* < 10.0.14393.9060
  • cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:* < 10.0.14393.9060
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:* < 10.0.17763.8644
  • cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:* < 10.0.17763.8644
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:* < 10.0.19044.7184
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:* < 10.0.19044.7184
  • cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:* < 10.0.19044.7184
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:* < 10.0.19045.7184
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:* < 10.0.19045.7184
  • cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:* < 10.0.19045.7184
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:* < 10.0.22631.6936
  • cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:x64:* < 10.0.22631.6936
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:* < 10.0.26100.8246
  • cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:x64:* < 10.0.26100.8246
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:* < 10.0.26200.8246
  • cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:x64:* < 10.0.26200.8246
  • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:* < 10.0.28000.1836
  • cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:* < 10.0.28000.1836
  • cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:* < 10.0.14393.9060
  • cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:* < 10.0.17763.8644
  • cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:* < 10.0.20348.5020
  • cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:* < 10.0.25398.2274
  • cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:* < 10.0.26100.32690